680225877 has 32 divisors (see below), whose sum is σ = 1032076800. Its totient is φ = 442589184.

The previous prime is 680225873. The next prime is 680225881. The reversal of 680225877 is 778522086.

680225877 is a `hidden beast` number, since 68 + 0 + 2 + 2 + 587 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (680225873) and next prime (680225881).

It is not a de Polignac number, because 680225877 - 2² = 680225873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680225873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731749 + ... + 732677.

It is an arithmetic number, because the mean of its divisors is an integer number (32252400).

Almost surely, 2^680225877 is an apocalyptic number.

It is an amenable number.

680225877 is a deficient number, since it is larger than the sum of its proper divisors (351850923).

680225877 is a wasteful number, since it uses less digits than its factorization.

680225877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 680225877 is about 26081.1402549812. The cubic root of 680225877 is about 879.4632905837.

The spelling of 680225877 in words is "six hundred eighty million, two hundred twenty-five thousand, eight hundred seventy-seven".